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LISTGROU.C
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C/C++ Source or Header
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1980-01-05
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/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
// $Header: listgroup.c,v 1.3 89/10/09 14:48:43 linton Exp $
// implements class GroupNode.
#include "listgroup.h"
#include "listselectn.h"
#include "selection.h"
// GroupNode stores the parent, boolean value, children, and the
// children's original graphic states.
GroupNode::GroupNode (PictSelection* p, boolean h, SelectionList* sl) {
parent = p;
haschildren = h;
children = new SelectionList;
childrengs = new SelectionList;
for (sl->First(); !sl->AtEnd(); sl->Next()) {
Selection* child = sl->GetCur()->GetSelection();
Selection* childgs = new Selection(child);
children->Append(new SelectionNode(child));
childrengs->Append(new SelectionNode(childgs));
}
}
// Free storage allocated to list the children and allocated
// for their graphic states.
GroupNode::~GroupNode () {
delete children;
for (childrengs->First(); !childrengs->AtEnd(); childrengs->Next()) {
Selection* s = childrengs->GetCur()->GetSelection();
delete s;
}
delete childrengs;
}